NAD M12 Service Manual page 13

1.AUDIO BOARD (3/4)
J1009
33 34
31 32 IIS CLK Z0
29 30
IIS DOZ0
27 28 IIS FSZ0
25 26
23 24
IIS CLK Z1
21 22 IIS DOZ1
19 20 IIS FSZ1
17 18
15 16 IIS CLK Z2
13 14 IIS DOZ2
11 12
IIS FSZ2
9 10
7 8
5 6
3 4
1 2
DGND
TO AMP BOARD
DGND
Z_RXD
Z_TXD
Z_I NT
L1019
742792662(WE)
C1229
J1010
C1230
22N
1 2 10u
3 4
DGND DGND TBD
5 6
IIS CLK Z3b
7 8
IIS DOZ3b
9 10
IIS FSZ3b
11 12
R1107
75R
DGND 3X2X2.54 R1108
75R
R1109
75R
R1110
75R
OP1000
VCC
DATA
GND
GP1FRX
DEBUG
J1011 C1259
T1001
INPUT2 2
2
1
220N X 7R
FROM COAX
C1258
1
DGND
SPDIF 1 : 1 B
1N
S RCMUTE
S RCRDY
DO_SCL
DO_SDA
DO_I NT
DO_GP1
DO_RST
L1003
C1100
3V3Z
U1031 22n
742792662(WE)
NC7WV17
R10 3 5
IIS CLKZ0 3 4 IIS CLK Z0a IIS CLK Z1 3
a2 y 2
4 7 R
2 5 2
gnd vcc R10 4 0
1 6 IIS CLK Z0b 1
a1 y 1 4 7 R
C1120
4U7
R10 4 5
IIS DOZ0 3 4 IIS DOZ0a IIS DOZ1 3
a2 y 2
4 7 R
2 5 2
gnd vcc R10 5 9
1 6 IIS DOZ0b 1
a1 y 1 4 7 R
NC7WV17
U1051 C1221
22n
NC7WV17
R10 9 8
IIS FS Z0 3 4 IIS FSZ0a IIS FSZ1 3
a2 y2 4 7 R
2 5 2
gnd vcc R110 1
1 6 1
IIS FSZ0b
a1 y1
4 7 R
U1054
C1224
DGND DGND
22n
IIS CLK Z0b
IIS CLK Z1b
IIS CLK Z2b
IIS CLK Z3b
DGND
3V3Z
C1227 C1228
R1033
22n
4K7 3V3Z 4U7
DGND
IIS DOZ3b
IIS DOZ2b
IIS DOZ1b
IIS DOZ0b
IIS FSZ0b
5V3D
IIS FSZ1b
IIS FSZ2b
TPG1000 IIS FSZ3b
DGND
3V3Z
C1236 C1237
C1233
DGND
100P C1239
4U7 22n
C1240 33P
33P C1241
33P
DGND DGND
C1232
100n C1234
3V3A
10U/ 10V
L1020
4R7 3V3Z
C1251
R1123 742792662(WE)
10N NPO
C1254 RX1
C1238 C1246
100N
R1032
DGND 100N 330U/ 6V3
DGND
C1263 RX2
C1248 100N
10U/ 10V C1252
10N NPO
DGND
4
3
DGND
L1017 L1018
C1101 C1111
3V3Z 3V3Z
U1032 22n U1037 22n
742792662(WE) 742792662(WE)
NC7WV17 NC7WV17
R10 3 7 R10 3 8
4 IIS CLK Z1a IIS CLK Z2 3 4
a2 y 2 a2 y 2
4 7 R 4 7 R
5 2 5
gnd vcc R10 4 1 gnd vcc R10 4 3
6 IIS CLK Z1b 1 6
a1 y 1 4 7 R a1 y 1 4 7 R
C1136 C1217
4U7 4U7
R10 4 7 R10 5 8
4 IIS DOZ1a IIS DOZ2 3 4
a2 y 2 a2 y 2
4 7 R 4 7 R
5 2 5
gnd vcc R10 6 0 gnd vcc R10 9 7
6 IIS DOZ1b 1 6
a1 y 1 4 7 R a1 y 1 4 7 R
NC7WV17 NC7WV17
U1052 C1222 U1053 C1223
22n 22n
NC7WV17 NC7WV17
R10 9 9 R110 0
4 IIS FSZ1a IIS FSZ2 3 4
a2 y 2 4 7 R a2 y 2 4 7 R
5 2 5
gnd vcc R110 2 gnd vcc R110 3
6 1 6
IIS FSZ1b
a1 y 1 4 7 R a1 y 1 4 7 R
U1055 U1056
C1225
C1226
DGND
22n
22n
DOA_CK
DO_S0
DO_S1
U1057
S N74CB3Q3253
DOA_SD
DOA_LR
U1058
DGND
S N74CB3Q3253
J00
DGND
copper
C1245 C1247 C1235
100N 10N NPO 30p
1
RX1+
2
RX1-
C1257 3
RX2+
C1262 100N 4
RX2-
100N 5
RX3+
6
RX3-
C1264 7
C1266
DGND RX4+
100N
8
RX4-
9
3V3A 10R VCC
100N 10
R1116 DGND AGND
C1267 11
LOCK
C1379 C1380 10N NPO C1381 12
RXCKO
10U/ 10V 100nF 100N
R1117
C1382
10U/ 10V
DGND DGND
D1000
3V3Z
TPG1001
LED
R1118
100R
R1121
100R
R1122
100R
DGND
L1021
1V8
742792662(WE) C1385 C1386
10U/10V 10U/10V
DGND
13
IIS CLK Z2a
IIS CLK Z2b
IIS DOZ2a
IIS DOZ2b
IIS FSZ2a
IIS FSZ2b
IIS CLK Z0a
IIS DOZ0a
IIS FSZ0a
IIS CLK Z1a
IIS DOZ1a
IIS FSZ1a
IIS CLK Z2a
IIS DOZ2a
IIS FSZ2a
IIS CLK Z3a
IIS DOZ3a
IIS FSZ3a
3V 3Z
C1231
100nF
DGND
C1242
100nF
U506
S RC4382
36 C1255 C1256
S YNC
35
10U/ 10V 10N NPO
BLS DGND
34 C1260
AESOUT
33 100nF
3V3Z
VDD33
32 R1112 DO_TX+
54R9
TX+
R1113
31 DO_TX-
54R9
TX-
30 C1265
DGND2 DGND
29 100n
GPO4
R1114
28
120R
GPO3
27 R1115
GPO2 120R
26
GPO1
25 SRCMCLK
MCLK
R1019
C1429
DGND 10R
L1025
10U
742792662(WE)
C1268
DGND
4U7
C1269 U1065
DGND
1N 4
R115 2 VDD TR
3
47R
OUT GND
3V3Z
DGND 24.576M
TPG1002
1V8S P
C1384
100nF
DGND DGND
R1111
5V3D
10R
C1249 C1250 C1253
10U/10V 10U/10V 100N
J1012
1
2
3
4
DGND TO RS232 BOA RD
3V3Z
1
2
DGND